A wonderland of folk art including the World’s Largest Grit. 

A psychedelic tribute to one of Georgia's most unique artistic visionaries, out of place and time in the heart of Atlanta.

A mysterious inscription may hold a clue about the "Lost Colony" of Roanoke.

Incredible miniature towns and buildings created and decorated with thousands of tiny rocks.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

This Corsican Neolithic site is full of pre-Roman megalithic structures that may or may not be penises.

Artist and musician Will Menter creates musical sculptures.

The storefront of a ramshackle Parisian puppet theater.

15,000 year old bison sculptures.

An unsettling shrine dedicated to the ravenous beast that prowled 18th-century France.

Artist Danielle Jacqui decorates nearly every inch of her home inside and out with her work.

One architect's organic, human-centric design has been fully realized in this alien art house.

Natural mummies hidden in the crypt of a medieval French church.

Artist's eccentric property excessively decorated with found objects and work of his own.

Tens of thousands of ancient rock carvings hidden in the heart of a French national park.

Trek into the depths of the cave where 17,000-year-old paintings exist alongside 400-year-old graffiti.

The encased skull that is widely believed to belong to St. John the Baptist.

The remaining relics of the patroness of Paris lie in a chapel under a striking double spiral staircase.

Once known as one of the finest tourist railways in Europe.

Hundreds of secret cabinets built into the walls of legendary poisoner's private work room.

A self-built mosaic house and sculpture park.

An enchanting work of outsider art, full of whimsical sculptures and carvings.

This professional clown's home is an outsider art wonderland.

Ivy-covered Medieval tunnels cut through this charming town in France's Loire Valley.